Memory Leak Errors and DBF File Corruption in Visual FoxPro

Memory Leak Errors and DBF File Corruption in Visual FoxPro

In computer science, memory leak is a kind of memory consumption by any computer application where the application is unable to release the memory that it has occupied. One such problem occurs with Visual FoxPro 8 and earlier versions. When it occurs, you cannot access Visual FoxPro database and come across critical data loss situations. Memory leak bug of the program can also damage the database. At this point, you need to opt for DBF Recovery solutions to get your mission critical data recovered.

When a memory leak error occurs in Visual FoxPro, you may come across any of the below symptoms:

Wrong outputs are generated from a database query when NOT operation is used with sub-query comparison.

A false positive error message "Index is Corrupt" occurs when an out-of-date index is exposed by SKIP, LOCATE, and INDEXSEEK command in memory.

UTF8 (8 Bit Unicode Transformation Format) data is damaged if you load it using XMLAdapter class.

You run across menu pad corruption when PUSH/PO and SET SYSMENU menu commands are used.

The COM (Component Object Model) interop employs default system code page for converting the strings from and to Unicode format. The process damages the strings, which use different code page.

You may face severe data corruption if Visual FoxPro application fetches data in the Date field.

Index corruption occurs in some situations when TableUPDATE command does not work and record is altered again.

In multithreaded runtime, a wrong code page is employed. It leads to the data corruption situations.

The check constraint doesn't take place as expected if there exists another mutually exclusive constraint.

When this behavior occurs, your entire database becomes totally unusable and you cannot access your significant data from the system. It causes critical data loss and requiredDBF file repairto be sorted out.

At this point, an updated and valid backup comes for your help. You can easily recover DBFdatabase by restoring the backup. For absolute data safety, you must regularly update your backup.

However, if backup is not available, you need to Repair DBF File using advanced and powerful third-party applications. The applications let you throughly scan whole DBF file using advanced scanning methods and extract all inaccessible data from the file. They are pretty safe and easy to use.

Stellar Phoenix DBF Recovery is a result-oriented application to successfully repair logically damaged DBF files. The software works well with Visual FoxPro 6.0 to 9.0 and dBase III to V. It extracts all DBF file objects, such as table name, indexes, column name, column data type, and constraints.

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